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Rhywogaethau
Rhowch Enw Rhywogaeth
Malwod a gwlithod môr
Scarlet Lady
Yellow edged polycera
Violet sea slug
Arctic cowrie
Netted dog whelk
Purple topshell
Sea slug
Solar powered sea slug
Painted topshell
Orange-clubbed sea slug
Sea lemon
Chitons
Keyhole limpet
Sea hare
Llygad maharen
Thick topshell
Gwichiad y gwymon
Edible periwinkle
Slipper limpet
Spotted cowrie
Dog whelk
Oyster drill
Whelk
Noethdagellog
Blue-rayed limpet
